The results show that considering the effect of fracture toughness increment and retardation of crack of anchorage, better effect of anchorage is reflected in numerical fracture and damage simulation.
计算结果表明：在断裂损伤数值计算中考虑锚杆对裂隙的增韧止裂作用可以更好地反映锚杆的加固效果。
Numerical simulation of recent structural stress field, prediction principle of fracture effectiveness and performing method are discussed.
论述了现今构造应力场数值模拟及裂缝有效性预测的原理及实现方法。
During the Carbonate gas reservoir's numerical simulation process, it is often short of exact and quantitative fracture model, especially porosity and permeability models.
碳酸盐岩油气藏在数值模拟的过程中往往缺少准确定量的裂缝模型，尤其是裂缝孔隙度和渗透率模型。
To accurately predict the forming limit in aluminum alloy sheet forming, ductile fracture criterion is introduced into numerical simulation.
为了准确地预测铝合金板材成形极限，将韧性断裂准则引入到数值模拟中。
By using field observation and numerical simulation method, the influence of fracture structure plane on the underground pressure and the roof stability of working face are systematically studied.
通过对现场观测和数值模拟分析，系统研究了断裂结构面对回采工作面矿压分布和顶板稳定性的影响。
The cycle injection math model for fracture stone reservoir is established, and both of analysis solution and numerical solution are given in this paper.
建立了裂缝性砂岩油藏周期注水数学模型，分别给出了数学模型的数值解和解析解。
In combination with the well test analysis, the fracture geometry and conductivity are calculated and a numerical simulator is built for a real well in a low permeability oilfield.
文章结合试井分析，确定了裂缝几何尺寸和裂缝导流能力，对低渗油田某井建立了数值模拟模型。
Based the numerical simulation for sphere tank with defects, fracture safety assessment and stress strength verification are done under the cases of working pressure and over pressure.
在数值模拟计算含缺陷球罐应力场的基础上，对含缺陷球罐在工作压力和超压两种工况下进行了断裂安全评定和强度校核。
In present research on fracture dynamic problems, Laplace or integral transformation was generally used, and numerical methods had to be adopted to solve the loop integral.
在现有断裂动力学问题文献中，一般采用拉氏变换与积分变换方法，得到的回路积分最后还需借助于数值方法求解。
In the light of the characteristics of Sichuan gas fields, a numerical simulation model of researching water invasion of individual well in fracture gas reservoir with bottom water is set up.
根据四川气田的特点，建立了一种裂缝性底水气藏单井水侵研究的数值模拟模型。
The cement samples damage and fracture by exploding load was studied by experiment and numerical simulation method.
从实验和数值模拟两方面对爆炸载荷对水泥试样的损伤破坏进行了研究。
The parallel computing technique is applied to design the programming for numerical simulating the fracture and damage of concrete under static-dynamic load.
对混凝土进行静动力学分析的数值模拟程序，从多个方面考虑了其中的并行算法设计。
Tensile and pressure-shear numerical tests are carried on the concrete specimens with precast cracks, and the tensile fracture and shear fracture process are obtained.
对预制裂纹的混凝土试件进行拉伸、压剪数值试验，得到混凝土拉伸断裂及压剪断裂破坏过程；
Then, the paper presents the develop trend about the comprehensive estimation of fracture rock, study on dynamic model and numerical modelling, and combining the theory with practice.
在其基础上对节理岩体的质量综合评价、力学模型的研究、数值模拟的研究、理论与试验相结合等方面的发展趋势提出了几点看法。
On the basis of mathematical model of solid-fluid mass transfer coupling in the process of hydraulic fracture and solution of rock salt, the corresponding numerical simulation is carried out.
在建立岩盐水压致裂溶解过程的固流传质耦合数学模型的基础上，对该过程进行了数值模拟。
The numerical simulation of the rupture procedure for the thin plate specimens based on the model proposed is identical with the fracture phenomenon from the experiments.
由于考虑微缺陷分布局部非均匀，得到试样的斜断口形成过程与试验现象完全一致；
This paper deals with the numerical analysis of fracture mechanics for rock engineering. Some basic considerations have been taken for special application to rock mass with discrete joints.
本文论述了岩体工程中断裂力学数值分析的原理，阐明了在含断续节理的岩体中进行这种分析的基本方法和一般步骤。
With the help of the dynamic and static data bases and numerical simulation technique, the paper provides the method of determining the oil well's fracture potential in oilfields.
本文提出了一种依据油田动、静态数据库资料，并借助于数值模拟技术进行油田老井压裂潜力确定的方法。
Comparing the result of neural network forecast with that of numerical simulation, fracture time forecasted by the artificial neural network is precise and reliable.
最后将神经网络预测结果与数值计算结果对比，认为应用人工神经网络对立井井筒破裂时间的预测比较准确、实用。
The critical fracture curve when cracks are vertical to the layered rock mass has also been obtained by using numerical values KI and KII.
由计算所得的KI和KII数值解，得到了裂纹垂直于层面时此泥板岩的临界断裂曲线。
Numerical Simulation of the multiple radial fracture propagation during the high energy gas fracturing is significant in the study of mechanism.
数值模拟是高能气体压裂径向多裂缝延伸机理研究的重要内容。
The initiation time of crack is measured by strain gauge on the sample. The fracture toughness of the composite material is determined by FEM numerical simulation.
使用应变片方法确定了裂纹的起裂时间，结合有限元数值模拟得到了裂纹的起裂韧性；
Numerical simulation was conducted using UDEC3.0 for the movement of overlaying strata and fracture development caused by the mining of upper protective layers of coal seams with close quarters.
本文利用UDEC3.0软件对近距离上保护层开采导致的覆岩移动及裂隙发育过程进行数值模拟。
Numerical analysis results show that the peak strength of the rock specimens increases as homogeneity increases and crack propagates smoothly until brittle fracture takes place.
结果表明，在均质度较高的岩石试件中，岩石强度相对高，并且裂纹扩展表现出很强的脆性；
Numerical method for crack extension analysis based on fatigue fracture process of rock materials;
工程控制爆破 ，要研究岩石的定向断裂的裂纹扩展。
Field hydraulic tests, fracture measuring, numerical flow test method of discrete fracture network are often used to determine hydraulic conductivity.
总结了近年来裂隙岩体渗透系数的确定方法，主要有现场水力试验法、裂隙测量法和离散裂隙网络渗流数值试验法。
The fracture mechanics of anisotropic brittle rock was discussed based on the numerical simulation results.
各向异性脆性岩石断裂力学数值模拟结果的基础上进行了讨论。
A large number of real rock and model material experiments and numerical simulations on the mixed mode fracture under compression-shear loading had been carried out by scholars at home and abroad.
针对岩石类材料压剪破坏，国内外学者做了大量真实岩石和模型材料的试验，并进行相应的数值模拟工作。
Then based on this model and combining the seepage theory, a numerical model including reservoir and fracture is built up to provide important theoretical evidence for refr...
在此基础上，结合渗流力学理论，建立了地层和裂缝的数学模型，为油田的重复压裂增产措施提供了理论上的依据。
Based on tested data for concrete fracture, some numerical examples and discussions are also given in the paper.
文中就已有断裂试验测试结果进行了算例分析和相应的讨论。
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